Find top IT service companies in California through DesignRush. Our platform connects you with California IT support companies trusted by brands like McDonald's and Coca-Cola. With over 1M monthly visitors and Fortune 500 companies using our rankings, you can be confident in the quality of every agency listed. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Top IT Services Companies in California

Compare the leading IT services agencies in California, handpicked for their verified reviews, standout portfolios, and proven expertise, so you can confidently choose the right partner to scale your business.

Agency Name Why Hire Them Client Rating Hourly Rate Top Client or Case Study Top Industries
Goji Labs Trusted by global brands for UX and digital products. 5.0 ⭐ $149 Redesigned Elf on the Shelf website for immersive experience. Nonprofit, Healthcare, Fintech
Closeloop Technologies Award-winning, innovative tech solutions for complex needs. 4.9 ⭐ $25 Resolved database outage for Brex in two hours. Fintech, Healthcare, eCommerce
Mercury Development Over 2,500 projects delivered for top global brands. 4.9 ⭐ $50 Developed mobile apps for Burger King and Fitbit. Wellness & Fitness, Healthcare, Retail
Suffescom Solutions Inc Experts in mobile apps with global industry recognition. 5.0 ⭐ — Built ridesharing app for GoCar Malaysia. eCommerce, Healthcare, Fintech
AppMakers USA MIT, Stanford, UCLA engineers deliver on time and budget. 5.0 ⭐ — Developed mobile app for CVS Pharmacy. Retail, Education, Sports
Azumo Nearshore experts trusted by Meta, Zynga, United Health. 4.9 ⭐ $55 Developed chatbot app for Facebook events. AI, Fintech, Health Care
Koderspedia Custom mobile and web solutions with rapid delivery. 4.9 ⭐ — Web app for Gameloft Montreal exceeded expectations. eCommerce, Gaming, Real Estate
Aristek Systems AI and EdTech specialists with 22+ years experience. 4.8 ⭐ $50 Award-winning LMS for K-12 education market. Education, Health Care, Logistics
SDLC Corp Full-cycle digital solutions for startups to enterprises. 4.9 ⭐ $50 IoT supply chain project improved delivery for Freight Right. Logistics, eCommerce, Gaming
Trango Tech Holistic software and mobile solutions for global growth. 4.7 ⭐ — Built wellness app for Simple Habit company. Wellness & Fitness, eCommerce, Real Estate

We Have Researched the Best California IT Support Companies For You

481 Companies - Rankings updated: September 09, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

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  • Introlligent Inc.

    Dynamic Technology Solutions

    Dynamic Technology Solutions

    We are a dynamic, global technology solutions and services provider, who is ready to offer you an unbeatable blend of strategic consulting, combined with end to end IT and engineering solutions. We provide value to our customers by innovation, accomplishment, trust and long-term relationships through our...

    Top Services:

    • Software Development
    • IT Services
    Location
    Sacramento, California
    Number of Employees
    250 - 499
    View Profile
    5.0 5.0 (2)

  • STRATACACHE

    Pushing the Boundaries of Digital Signage at Scale

    Pushing the Boundaries of Digital Signage at Scale

    STRATACACHE is accelerating the shift of digital retail transformation by having a full scope of technology under one roof. Our retail solutions allow us to be partners in creating an in-store evolution, fitting into your existing ecosystem by connecting different technologies to truly drive a frictionless...

    Top Services:

    • IT Services
    • Managed Services
    • Video Production
    • Software Development
    • Web Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile
    4.9 4.9 (9)

  • Aximsoft

    We Take Your Ideas Forward

    We Take Your Ideas Forward

    Aximsoft from San Ramon California, is the partner of choice for many of the world’s leading enterprises and emerging startups, delivering technology solutions right from ground-up. Be it product design, engineering or product marketing, we’ve got it all covered! From Printing to Energy, Automobile to...

    Top Services:

    • VR/AR
    • Software Development
    • AI Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    San Ramon, California
    Number of Employees
    100 - 249
    View Profile

  • USWired

    We Do IT Right The First Time

    We Do IT Right The First Time

    USWired provides Managed IT Services, including IT Support, Cloud Services and Cybersecurity Solutions...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    • Show more
    Location
    Campbell, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (2)

  • Infoguard Cybersecurity

    Expert Cybersecurity Specialists for Tailored Solutions

    Expert Cybersecurity Specialists for Tailored Solutions

    Infoguard Cybersecurity is a leading company specializing in providing comprehensive cybersecurity solutions, compliance and consulting services. Our expert team of cybersecurity specialists develops tailored solutions to protect government agencies and organizations against evolving threats. With a focus on...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Grant Thornton

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.5 4.5 (13)

  • Crowe

    Empowering Your Accounting Decisions.

    Empowering Your Accounting Decisions.

    Crowe LLP is a global accounting firm offering audit, tax, advisory, and consulting services. With deep industry expertise, we empower businesses to make informed decisions for lasting value. Recognized as a top workplace, we leverage our partnership with Crowe Global to provide comprehensive solutions...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Business Consulting
    • Market Research
    • BPO
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    View Profile
    2.6 2.6 (5)

  • PwC

    Building trust in society and solving important problems.

    Building trust in society and solving important problems.

    We’re a network of firms in 155 countries with over 284,000 people who are committed to delivering quality in BPO, project management, assurance, advisory, IT, and tax services...

    Top Services:

    • Market Research
    • BPO
    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Show more
    Location
    Orange County, California
    Number of Employees
    1000 & Up
    View Profile
    4.6 4.6 (74)

  • Bakertilly

    True Partners Consulting

    True Partners Consulting

    Baker Tilly USA is a privately-owned, trusted project management, tax consulting, and business advisory firm that helps public and large private enterprises navigate complex tax and financial regulations everywhere in the world...

    Top Services:

    • BPO
    • Accounting
    • HR Outsourcing
    • Business Consulting
    • IT Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    View Profile

  • Zeta Sky

    Smarter IT. Stronger Business.

    Smarter IT. Stronger Business.

    Zeta Sky set out to create a company of dedicated IT experts who could move businesses to the cloud and deliver greater flexibility and value. We provide secure, simple, and scalable solutions to meet your business needs and empower all teams, IT and non-IT alike...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (23)

  • K2 Partnering Solutions

    Best Consulting Solution For Your Business

    Best Consulting Solution For Your Business

    K2 Partnering Solutions is the global leader in technology staffing with unparalleled expertise, market knowledge and international presence in ERP (SAP, Oracle), Enterprise Cloud (Salesforce), Analytics/Big Data, Enterprise Mobility and Social/Digital technologies...

    Top Services:

    • IT Services
    • Web Design
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile

  • Technology Mindz

    A Cutting-Edge It Service and Solution Provider

    A Cutting-Edge It Service and Solution Provider

    Technology Mindz is a cutting-edge IT service and solution provider that empowers enterprises to reshape their businesses in the digital era...

    Top Services:

    • CRM Consulting
    • IT Services
    • Software Development
    • Web Development
    • Managed Services
    • Show more
    Location
    Cupertino, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Portfolios Count
    5 Projects Listed
    View Profile

  • Deloitte

    Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    Sacramento, California
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile
    3.4 3.4 (83)

  • KPMG

    Together, we achieve more.

    Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Top Services:

    • Business Consulting
    • Market Research
    • Accounting
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Oxnard, California
    Number of Employees
    1000 & Up
    View Profile
    4.3 4.3 (56)

  • Morningtide Design, LLC

    We Build Beautifully Responsive Websites

    We Build Beautifully Responsive Websites

    A web design studio focused on creating custom WordPress websites to help turn your visitors into customers. Let’s make a website that works for you...

    Top Services:

    • Web Development
    • Web Design
    • SEO
    • Managed Services
    • Show more
    Location
    Santa Rosa, California
    Number of Employees
    Under 49
    View Profile

  • WebSonoma

    Websites That Drive Performance.

    Websites That Drive Performance.

    Sonoma County Local Web Designers and Marketers where we focus on Customer Satisfaction and Results. Grow your business...

    Top Services:

    • SEO
    • PPC
    • Social Media Marketing
    • Web Development
    • IT Services
    • Show more
    Location
    Santa Rosa, California
    Number of Employees
    Under 49
    View Profile

  • Techmedics

    People Connecting Technology

    People Connecting Technology

    Techmedics® helps businesses get the most out of their technology investments by offering comprehensive IT support plans flexible enough for any sized business, in any industry...

    Top Services:

    • Cloud Consulting
    • Cybersecurity
    • Managed Services
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (20)

  • PADGETT

    Your Partner in Small Business Success Since 1966

    Your Partner in Small Business Success Since 1966

    PADGETT has been catering to the unique needs of small business owners across North America since 1966. With a comprehensive suite of services, including small business consulting advice, professional tax preparation, payroll solutions, bookkeeping, and more, we provide the support and expertise necessary for...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • IT Services
    • Show more
    Location
    Orange County, California
    Number of Employees
    250 - 499
    View Profile
    5.0 5.0 (1)

  • IT Accuracy

    IT Support, Cybersecurity, and Cloud Services

    IT Support, Cybersecurity, and Cloud Services

    IT Accuracy is an IT Support and Managed Service Provider based in Los Angeles. We take the time to understand your business and provide you with the best IT solutions that are specific to your needs. We are proud to have established a reputation for providing unparalleled service. Our team stays on the...

    Top Services:

    • Cybersecurity
    • Staff Augmentation
    • IT Services
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.9 4.9 (56)

  • Carezian

    Digital transformation for your business.

    Digital transformation for your business.

    Product and Software Development, IT Consulting Services and Managed IT...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • Cybersecurity
    • Managed Services
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (1)

  • Chiron LLC

    IT Solutions for your Business

    IT Solutions for your Business

    Chiron LLC is the IT Consulting Company which focuses on the Web Development; Custom Web and Mobile Solutions built on OutSystems; Building Collaboration environments with Business Processes automation and integration of different application between each other...

    Top Services:

    • Software Testing
    • Mobile App Development
    • Software Development
    • IT Services
    • Managed Services
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $106/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • SA Technologies

    Empowering Enterprises.

    Empowering Enterprises.

    We are one of the fastest-growing IT training and Information Technology Consulting and technology solutions providers in the US with an extensive footprint in North America and globally...

    Top Services:

    • HR Outsourcing
    • Staff Augmentation
    • IT Services
    Location
    San Francisco, California
    Number of Employees
    Under 49
    View Profile
    3.0 3.0 (2)

  • Smart ERP Solutions

    Guaranteeing outstanding performance for your business

    Guaranteeing outstanding performance for your business

    At Smart ERP Solutions®, our mission transcends ordinary objectives. We are driven to introduce innovative, highly configurable, and remarkably flexible ERP consulting solutions that address prevalent business challenges...

    Top Services:

    • Cloud Consulting
    • IT Services
    • ERP Consulting
    • Managed Services
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    View Profile
    4.0 4.0 (4)

  • NG Logic

    We drive businesses like yours into the future

    We drive businesses like yours into the future

    NG Logic is a San Mateo, California-based software development agency specializing in custom web and mobile applications, DevOps, quality assurance, platform modernization, and staff augmentation. With over 20 years of experience, NG Logic partners with clients to deliver scalable, cloud-centric solutions...

    Top Services:

    • Blockchain
    • Software Development
    • AI Development
    • Staff Augmentation
    • IT Services
    • Show more
    Location
    San Mateo, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Baker Tilly

    Now, for tomorrow.

    Now, for tomorrow.

    Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Market Research
    • Cybersecurity
    • Show more
    Location
    Orange County, California
    Number of Employees
    1000 & Up
    View Profile
    4.6 4.6 (19)

  • 75way Technologies

    Choose a Different Way!

    Choose a Different Way!

    75way Technologies Pvt. Ltd. is a digital transformation and engineering company based in India, specializing in delivering innovative solutions across web, mobile, and blockchain platforms. With over 10 years of experience, the company has successfully completed more than 1,100 projects for clients...

    Top Services:

    • Web Development
    • Mobile App Development
    • IoT
    • Software Development
    • AI Development
    • Show more
    Location
    San Jacinto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $29/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • SoftClouds

    Your ultimate cloud service provider

    Your ultimate cloud service provider

    At the forefront of IT, CRM & CX solutions, SoftClouds, headquartered in San Diego, CA, emerges as a transformative force. As an esteemed Oracle Platinum Partner, we specialize in crafting ERP solutions, cloud, mobile, and digital solutions that elevate corporate profitability while seamlessly unraveling...

    Top Services:

    • Cloud Consulting
    • IT Services
    • ERP Consulting
    • Mobile App Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
    View Profile
    4.9 4.9 (26)

  • CodeFutures

    We Are the Premier Software Consulting Firm Executives Trust To Deliver.

    We Are the Premier Software Consulting Firm Executives Trust To Deliver.

    We are a software consulting firm that specializes in software development, DevOps, cloud services and other IT needs. Our team blends expertise to provide high-quality solutions for a variety of projects. Whether you need custom software development or help with your cloud infrastructure, CodeFutures can...

    Top Services:

    • Software Development
    • IT Services
    • Staff Augmentation
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • MSP Mobility Corp.

    Driven Companies Towards Their Digital Transformation

    Driven Companies Towards Their Digital Transformation

    We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991...

    Top Services:

    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Concord, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Intelecis

    Highly Rated Cyber Security & IT Company

    Highly Rated Cyber Security & IT Company

    Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    Fullerton, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (38)

  • Webllisto

    Webllisto is a prominent IT Consulting and Engineering firm offering clients the finest Web and Software development services for their business. Our exceptional Web services are dedicated to Enterprises, ISVs, Startups, and digital agencies...

    Top Services:

    • Software Development
    • VR/AR
    • AI Development
    • IoT
    • Mobile App Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.7 4.7 (61)

  • DeepSea Developments

    Exploring Technology's Depths: Your Beacon in IoT Innovation

    Exploring Technology's Depths: Your Beacon in IoT Innovation

    DeepSea Developments specializes in hardware design, fast prototyping, and scalable IoT solutions. We dive into technology's depths to explore new ideas in consumer electronics, electric mobility, industrial IoT, and healthcare. Our passion for innovation, coupled with excellent communication, ensures...

    Top Services:

    • IoT
    • IT Services
    • Cloud Consulting
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • VIP IT, Inc

    Dedicated Team for All Your IT Needs

    Dedicated Team for All Your IT Needs

    VIP IT, Inc is a leading provider of IT strategy and support for small to mid-sized businesses who want their IT infrastructure operating at peak performance. Privately held, their team has decades of experience dealing with complex and challenging IT environments...

    Top Services:

    • IT Services
    • Managed Services
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    View Profile

  • BDRShield

    Cloud-Managed Hybrid Backup with Cyber-Resilience

    Cloud-Managed Hybrid Backup with Cyber-Resilience

    From in-house IT teams to MSPs to channel partners, BDRShield gives each stakeholder the tools they need to protect data, deliver value, and stay resilient...

    Top Services:

    • IT Services
    • Cloud Consulting
    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    View Profile

  • CCI Tech

    Your Partner for Managed Services & IT Support

    Your Partner for Managed Services & IT Support

    CCI Tech offers personalized IT Services designed to boost efficiency and growth. Innovation and expertise converge effectively in each of our software development and cybersecurity initiatives, empowering businesses with cutting-edge solutions tailored to their unique challenges and goals...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    Location
    Gilroy, California
    Number of Employees
    Under 49
    View Profile
    4.5 4.5 (6)

  • IT Talent Search

    On Demand Recruitment Services

    On Demand Recruitment Services

    Experts in Staffing...

    Top Services:

    • IT Services
    • HR Outsourcing
    Location
    Manhattan Beach, California
    Number of Employees
    Under 49
    View Profile

  • Albiorix Technology Pvt. Ltd.

    Custom Software Development Company in Australia, USA and India

    Custom Software Development Company in Australia, USA and India

    Albiorix Technology is a leading custom software application development provider with years of experience. Get specialized software development services right away...

    Top Services:

    • Web Development
    • WordPress Website Design
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.9 4.9 (18)

  • Quest

    Your IT Guru for Government and Beyond

    Your IT Guru for Government and Beyond

    For over 30 years, Quest has been a beacon in Government IT services. From cybersecurity to cloud management, we tailor our offerings to your unique needs, ensuring agility, productivity, and scalability in an evolving market...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Mobile App Development
    • Cloud Consulting
    • Show more
    Location
    Roseville, California
    Number of Employees
    100 - 249
    Portfolios Count
    5 Projects Listed
    View Profile
    3.9 3.9 (23)

  • New Horizons

    Expert Training. Real-World Success.

    Expert Training. Real-World Success.

    New Horizons Learning Group (NHLG) is part of the largest Technical Training Organization in the world. With more than 70 locations in North America, the New Horizons Franchise network spans six continents and over 35 countries embracing many cultures and languages...

    Top Services:

    • IT Services
    Location
    Burbank, California
    Number of Employees
    100 - 249
    View Profile
    5.0 5.0 (3)

  • Albatross Cloud

    The Cloud Where Your Business Can Thrive

    The Cloud Where Your Business Can Thrive

    Albatross Cloud thrives to bring huge savings and value to its customer by helping them on-board to the cloud...

    Top Services:

    • IT Services
    • Cloud Consulting
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    View Profile

  • ShipHawk

    The Order Fulfillment Operating System

    The Order Fulfillment Operating System

    ShipHawk offers advanced warehouse and fulfillment automation solutions with expert guidance to help companies scale with speed and accuracy. ShipHawk gives businesses control and visibility of their warehouse and the ability to meet their use cases and eliminate manual processes, increasing throughput and...

    Top Services:

    • Cloud Consulting
    • IT Services
    Location
    Santa Barbara, California
    Number of Employees
    100 - 249
    View Profile
    4.7 4.7 (147)

  • Catalyst Business Solutions

    Global Yet Local!

    Global Yet Local!

    Catalyst Business Solutions is a global technology consultancy headquartered in Silicon Valley. The firm delivers services in enterprise applications (Oracle, NetSuite, ERP/HCM/EPM/CRM), cybersecurity, cloud adoption, and industry-specific platforms such as social security, pension and electronic cargo...

    Top Services:

    • Cloud Consulting
    • IT Services
    • Cybersecurity
    Location
    San Jose, California
    Number of Employees
    100 - 249
    View Profile
    5.0 5.0 (2)

  • Apolis

    360° Service 365 Days a Year

    360° Service 365 Days a Year

    Apolis is a digital consultancy that integrates experts and leading solutions into your organization...

    Top Services:

    • IT Services
    • Cloud Consulting
    • HR Outsourcing
    Location
    El Segundo, California
    Number of Employees
    500 - 999
    View Profile

  • Trident Consulting

    Finding Talent. Fueling Innovation.

    Finding Talent. Fueling Innovation.

    Trident Consulting Inc. is a San Ramon, Californiabased staffing and talent-acquisition company thats 100% woman- and minority-owned. Since 2005, it has specialized in filling hard-to-staff IT roles and delivering diverse, vetted technology, engineering, and infrastructure professionals to enterprises and...

    Top Services:

    • IT Services
    • Big Data Analytics
    • Cloud Consulting
    • ERP Consulting
    • Show more
    Location
    San Ramon, California
    Number of Employees
    100 - 249
    View Profile
    3.7 3.7 (14)

  • Elite

    Ethics, professionalism, accessibility!

    Ethics, professionalism, accessibility!

    Welcome to Elite! Need talented candidates for your organization, and don't have the time or resources to find, recruit, and screen them in-house? Partner with Elite!...

    Top Services:

    • IT Services
    • Staff Augmentation
    • HR Outsourcing
    Location
    Costa Mesa, California
    Number of Employees
    100 - 249
    View Profile
    4.0 4.0 (4)

  • IntelliPro

    Your Ultimate Source for Talent Solutions

    Your Ultimate Source for Talent Solutions

    Global Integrated Talent Solutions Provider - A Certified MBE Enterprise...

    Top Services:

    • IT Services
    • Staff Augmentation
    • Managed Services
    • HR Outsourcing
    • Show more
    Location
    San Jose, California
    Number of Employees
    250 - 499
    View Profile
    4.1 4.1 (18)

  • iSpace

    IT Services Mobility, Analytics, Dev Ops and Cloud Solutions

    IT Services Mobility, Analytics, Dev Ops and Cloud Solutions

    iSpace is a global services company focused on Information Technology Services, Business Process Services, Location Based Services and Healthcare Solutions...

    Top Services:

    • Managed Services
    • IT Services
    • Software Development
    Location
    El Segundo, California
    Number of Employees
    500 - 999
    View Profile
    3.0 3.0 (4)

  • TerraLink

    Your gateway to OpenText ECM excellence.

    Your gateway to OpenText ECM excellence.

    Elevate Your Business with TerraLink's OpenText Intelligence. We specialize in comprehensive consulting, covering enterprise content management, workflow optimization, business automation, resource planning, and financial management. With a focus on leveraging cutting-edge technology and top-tier expertise...

    Top Services:

    • ECM Consulting
    • IT Services
    • Software Development
    Location
    Menlo Park, California
    Number of Employees
    500 - 999
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • MSDN Solutions, INC.

    Take the World at new Level

    Take the World at new Level

    Masters Development Network and Solutions (MSDN Solutions) is a Web Development and Marketing company providing Web and Software Services, Graphic Design and Printing Solutions, and all Marketing needs to enterprises and more specifically to startup companies across the world...

    Top Services:

    • IT Services
    • Cybersecurity
    • SEO
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Thousand Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (7)

  • Kranz Consulting

    Full Service Accounting, Project Management & Finance Solutions

    Full Service Accounting, Project Management & Finance Solutions

    Hi, we are Kranz! We are the preeminent project management, accounting, and IT solutions firm helping start-ups and Venture Capital companies grow...

    Top Services:

    • IT Services
    • Accounting
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    View Profile
    3.0 3.0 (2)

IT Services Companies in California by City

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Why Companies Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding IT services companies in California. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

Frequently Asked Questions

What services do IT services companies in California provide?

IT services companies in California provide technology solutions that help businesses run efficiently, stay secure, and scale operations. Their services typically include: 

How do IT services companies in California help businesses improve efficiency and security?

IT services companies in California improve efficiency and security by automating routine tasks, maintaining cloud infrastructure, and ensuring fast, reliable access to business tools. For security, they set up firewalls, encryption, and multi-factor authentication to block unauthorized access.  

They also monitor networks 24/7, detect vulnerabilities early, and provide regular updates and backups to prevent downtime or data loss. This allows businesses to operate smoothly and focus on growth while staying protected from cyber risks. 

How much do IT services cost in California?

IT services in California typically cost $80 to $200 per user per month, depending on service scope and company size.  

  • Basic packages cover help desk support, monitoring, and maintenance 
  • Mid-range plans include security management, cloud services, and data backups 
  • Higher-end packages add advanced cybersecurity, compliance support, and strategic IT consulting 

Project-based work, like migrations or infrastructure upgrades, is usually billed separately at hourly rates. 

What certifications should California IT support companies have?

California IT support companies should hold certifications that prove their technical skill and security standards. Common and respected ones include: 

  • CompTIA A+ or Network+
  • Microsoft Certified Solutions Expert (MCSE)
  • Cisco Certified Network Associate (CCNA)
  • AWS or Google Cloud certifications
  • Certified Information Systems Security Professional (CISSP)
  • ITIL Certification

How do IT services companies in California ensure data protection and compliance with state and federal laws?

IT services companies in California ensure data protection and compliance by combining strict security measures with legal standards. They use encryption, firewalls, and access controls to secure sensitive information, along with regular backups and disaster recovery systems.  

To meet regulations like CCPA, HIPAA, and GDPR, they conduct compliance audits, maintain data processing policies, and train staff on privacy rules. They also monitor systems for breaches, keep detailed logs for accountability, and update protocols as laws or threats evolve, ensuring businesses stay secure and compliant. 

What kind of ongoing support do California IT support companies offer after implementation?

California IT support companies provide ongoing services to keep systems secure, up to date, and running smoothly after implementation. Support usually includes 24/7 monitoring, help desk assistance, and regular maintenance to prevent downtime.  

They handle software updates, security patches, and system backups, and monitor networks for performance or security issues. Many also offer user training, hardware upgrades, and scalability planning so businesses can adapt as they grow. 

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